Advanced intersection and automatic line drawing?

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Advanced intersection and automatic line drawing?

Postby Jakaranda » Fri Jun 18, 2021 10:49 am

Does anyone in this room have any idea about my question in the picture? I often miss more automatic functions in sketchup that would make you not have to spend half your life on manual line draws. :)
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Re: Advanced intersection and automatic line drawing?

Postby pbacot » Fri Jun 18, 2021 6:13 pm

Not in general to your idea. But in the specific example shown, connecting the points in one instance, the edges of the curve shape could be extruded with "Extrusion Tools" and "intersect faces" would reproduce the curve on subsequent intersecting surfaces.

I don't know of a way that an intersection of an edge to a face produces a object (such as guide point) which can then be selected to be connected to other objects on the face with edges.
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Last edited by pbacot on Fri Jun 18, 2021 8:33 pm, edited 1 time in total.
MacOSX Mojave High Sierra SketchUp Pro v19 Twilight v2 Thea v2 PowerCADD
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Re: Advanced intersection and automatic line drawing?

Postby TIG » Fri Jun 18, 2021 7:46 pm

My 'Extrusion-Tools' includes my 'Extrude Edges by Vector to Object' - it will project the selected edges to a selected face, but you will need to stitch the intersections' end-points with your own manually drawn edges - unless those edges already have faces...
viewtopic.php?f=323&t=37515&start=30
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Re: Advanced intersection and automatic line drawing?

Postby pbacot » Fri Jun 18, 2021 8:35 pm

Using the "to Object" tool, you should end up with edges in the extrusion that can be copied to the target surface.
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Re: Advanced intersection and automatic line drawing?

Postby GD3Design » Sat Jun 19, 2021 1:11 pm

I have an idea that might save you time. If you'd like to share the skp file, I'll make a GIF to explain the process visually.
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Re: Advanced intersection and automatic line drawing?

Postby Jakaranda » Sat Jun 19, 2021 8:47 pm

Thanks pbacot, TIG and GD3Design for your answears!

It's difficult to create a program that satisfies everyone's different ways of thinking and creating. Wish I had the ability to invent some type of 3D scanning box, and create directly with my hands in it - that then send signals to the computer. Draw lines with fingers through the air and shape objects such as clay.
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Re: Advanced intersection and automatic line drawing?

Postby Jakaranda » Sat Jun 19, 2021 8:58 pm

GD3Design wrote:I have an idea that might save you time. If you'd like to share the skp file, I'll make a GIF to explain the process visually.


I can send the skp to you. It's a piece of a cabriole leg in the picture. I'm trying different ways to draw controlled organic shapes, which is not so easy in a program that is built in square/perpendicular-thinking. Will share it and several models here in the near future, so it is free to use however you want.
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Re: Advanced intersection and automatic line drawing?

Postby Jakaranda » Sat Jun 19, 2021 9:25 pm

TIG! 'Extrude Tools' is a wonderful toolkit you wrote. Thank you! How many hours did it take? - so I can donate fairly :) Is it possible to program a function where a profile can follow 3 lines?
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